Table 2. Common histopathology for the 836 resected lesions.

Pathology of resected lesion	Total number (% of resections)
Osteosarcoma	559 (66.9%)
Viable	424 (50.7%)
Non-viable	135 (14.4%)
Fibrotic lung	95 (11.4%)
Normal lung tissue	83 (9.9%)
Lymph node	55 (6.6%)
Congestion/Hemorrhage	20 (2.5%)
Benign calcification	12 (1.4%)
Granuloma	12 (1.4%)